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Revenue Recognition (Tables) | 3 Months Ended
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Apr. 01, 2017
Revenue Recognition |
Schedule of activity of accounts receivable allowance | A rollforward of the accounts receivable allowance is as follows (in thousands):
|  | Fiscal Quarter Ended |  | Fiscal Year Ended |
|  | April 1, 2017 |  | December 31, 2016 |
Balance at beginning of period |  | $ | 4,253 |  | $ | 3,648 |
Increases to reserve |  |  | 1,688 |  |  | 2,761 |
Amounts written off |  |  | (659 | ) |  | (2,156 | )
Effects of foreign currency translation |  |  | 4 |  |  | — |
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Balance at end of period |  | $ | 5,286 |  | $ | 4,253 |
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Schedule of activity of unbilled receivables allowance | A rollforward of the unbilled receivables allowance is as follows (in thousands):
|  | Fiscal Quarter Ended |  | Fiscal Year Ended |
|  | April 1, 2017 |  | December 31, 2016 |
Balance at beginning of period |  | $ | 1,720 |  | $ | 2,354 |
Increases to reserves |  |  | 884 |  |  | 2,102 |
Amounts written off |  |  | (242 | ) |  | (2,736 | )
Effects of foreign currency translation |  |  | — |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at end of period |  | $ | 2,362 |  | $ | 1,720 |
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Schedule of reimbursable expenses included in revenues | Reimbursable expenses are as follows (in thousands):
|  | Fiscal Quarter Ended |
|  | April 1, 2017 |  | April 2, 2016 |
Reimbursable expenses |  | $ | 9,140 |  | $ | 8,030 |

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- Definition Tabular disclosure of unbilled receivables allowance in total which includes a roll forward schedule. + References No definition available. + Details
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- Definition Represents the reimbursable expenses which include travel and other out-of-pocket expenses, outside consultants, and other reimbursable expenses included in costs of services. + References No definition available. + Details
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- References No definition available. + Details
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